Inspired by the Arab Spring, a group of a few hundred protesters have occupied a park right off of Wall Street for more than a week, seeking attention for what they call a greedy and unjust financial system. The staff of the New York Civil Liberties Union (NYCLU) has been on the scene talking to protesters, learning about their experiences with police, and passing out Know Your Rights guides on protesting in New York City and on surviving police encounters.

Interested in joining them? Here’s a few things to keep in mind when you’re protesting in New York City: